<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>指冠网后台</title>
        <link href="web/css/bootstrap-3.2.0.min.css" rel="stylesheet" type="text/css"/>     
</head>
<body>
<div class="btn-group">
      <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Default <span class="caret"></span></button>
      <ul class="dropdown-menu" role="menu">
        <li><a href="#">Action</a></li>
        <li><a href="#">Another action</a></li>
        <li><a href="#">Something else here</a></li>
        <li class="divider"></li>
        <li><a href="#">Separated link</a></li>
      </ul>
    </div>


</body>
    <script src="web/js/jquery-2.1.1.min.js"></script>
    <script src="web/js/bootstrap-3.2.0.min.js"></script>
</html>>